/* ==========================================================================
   Alere BJJ - Components CSS File
   ========================================================================== */

/* Button Components */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--text-base);
  font-weight: 500;
  line-height: var(--leading-normal);
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
  font-family: var(--font-secondary);
  min-height: 44px; /* Touch target size */
}

.btn:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn:active {
  transform: translateY(0);
}

/* Button Variants */
.btn-primary {
  background-color: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: white;
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: white;
}

.btn-outline {
  background-color: transparent;
  color: var(--color-text);
  border-color: var(--color-gray-300);
}

.btn-outline:hover {
  background-color: var(--color-gray-50);
  border-color: var(--color-gray-400);
}

.btn-text {
  background-color: transparent;
  color: var(--color-primary);
  border-color: transparent;
  padding: var(--spacing-sm) var(--spacing-md);
}

.btn-text:hover {
  background-color: transparent;
  color: var(--color-primary);
  border-color: transparent;
  text-decoration: underline;
}

/* Button Sizes */
.btn-sm {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--text-sm);
  min-height: 36px;
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--text-lg);
  min-height: 52px;
}

/* Card Components */
.card {
  background-color: var(--color-background);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--transition-normal);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--color-gray-200);
  background-color: var(--color-gray-50);
}

.card-body {
  padding: var(--spacing-lg);
}

.card-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--color-gray-200);
  background-color: var(--color-gray-50);
}

.card-title {
  font-family: var(--font-primary);
  font-size: var(--text-xl);
  margin: 0 0 var(--spacing-sm) 0;
  color: var(--color-text);
}

.card-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  margin: 0;
}

/* Form Components */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-background-alt);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  font-family: var(--font-secondary);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(191, 30, 46, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-gray-400);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

.form-select {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
  background-position: right var(--spacing-sm) center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
  padding-right: var(--spacing-xl);
  appearance: none;
}

/* Form Validation States */
.form-input.error,
.form-textarea.error,
.form-select.error {
  border-color: var(--color-error);
}

.form-input.error:focus,
.form-textarea.error:focus,
.form-select.error:focus {
  box-shadow: 0 0 0 3px rgba(191, 30, 46, 0.1);
}

.form-input.success,
.form-textarea.success,
.form-select.success {
  border-color: var(--color-success);
}

.form-input.success:focus,
.form-textarea.success:focus,
.form-select.success:focus {
  box-shadow: 0 0 0 3px rgba(0, 204, 0, 0.1);
}

.form-error {
  color: var(--color-error);
  font-size: var(--text-sm);
  margin-top: var(--spacing-xs);
}

.form-help {
  color: var(--color-text-light);
  font-size: var(--text-sm);
  margin-top: var(--spacing-xs);
}

/* Alert Components */
.alert {
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  margin-bottom: var(--spacing-lg);
}

.alert-success {
  background-color: rgba(16, 185, 129, 0.1);
  border-color: var(--color-success);
  color: var(--color-success);
}

.alert-warning {
  background-color: rgba(245, 158, 11, 0.1);
  border-color: var(--color-warning);
  color: var(--color-warning);
}

.alert-error {
  background-color: rgba(239, 68, 68, 0.1);
  border-color: var(--color-error);
  color: var(--color-error);
}

.alert-info {
  background-color: rgba(59, 130, 246, 0.1);
  border-color: var(--color-info);
  color: var(--color-info);
}

/* Badge Components */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--text-xs);
  font-weight: 500;
  line-height: var(--leading-none);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-primary {
  background-color: var(--color-primary);
  color: white;
}

.badge-secondary {
  background-color: var(--color-gray-200);
  color: var(--color-gray-700);
}

.badge-success {
  background-color: var(--color-success);
  color: white;
}

.badge-warning {
  background-color: var(--color-warning);
  color: white;
}

.badge-error {
  background-color: var(--color-error);
  color: white;
}

/* Navigation Components */
.navbar {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  width: 100%;
  left: 0;
  right: 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

/* Removed scroll-related classes - navbar is now permanently sticky */

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) 0;
  height: 80px;
  overflow: visible;
  position: relative;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--text-lg);
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition-fast);
  z-index: 10;
}

.navbar-logo {
  height: 128px;
  width: auto;
  transition: transform var(--transition-fast);
  position: relative;
  z-index: 1;
}

.navbar-brand:hover .navbar-logo {
  transform: scale(1.05);
}

.navbar-brand-text {
  font-family: var(--font-primary);
  font-weight: normal;
  font-size: 36px;
  letter-spacing: 0.5px;
  color: var(--color-text);
}

.navbar-brand:hover {
  color: var(--color-primary);
}

.navbar-brand:hover .navbar-brand-text {
  color: var(--color-primary);
}

.navbar-nav {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--spacing-lg);
}

.navbar-nav a {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  position: relative;
}

.navbar-nav a:hover {
  color: var(--color-primary);
  background-color: rgba(191, 30, 46, 0.1);
}

.navbar-nav a.active {
  color: var(--color-primary);
  background-color: transparent;
  position: relative;
}

.navbar-nav a.active::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: 1px;
}

/* Mobile Navigation */
.navbar-toggle {
  display: none;
  background: none;
  border: none;
  padding: var(--spacing-md);
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
  z-index: 10;
  min-width: 44px;
  min-height: 44px;
  position: relative;
}

.navbar-toggle:hover {
  background-color: rgba(0, 0, 0, 0.1);
}

.navbar-toggle:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.navbar-toggle-icon {
  display: block;
  width: 28px;
  height: 3px;
  background-color: var(--color-text);
  position: relative;
  transition: all var(--transition-fast);
  border-radius: 2px;
}

.navbar-toggle-icon::before,
.navbar-toggle-icon::after {
  content: '';
  position: absolute;
  width: 28px;
  height: 3px;
  background-color: var(--color-text);
  transition: all var(--transition-fast);
  border-radius: 2px;
  left: 0;
}

.navbar-toggle-icon::before {
  top: -8px;
}

.navbar-toggle-icon::after {
  bottom: -8px;
}

.navbar-toggle.active .navbar-toggle-icon {
  background-color: transparent;
}

.navbar-toggle.active .navbar-toggle-icon::before {
  transform: rotate(45deg);
  top: 0;
}

.navbar-toggle.active .navbar-toggle-icon::after {
  transform: rotate(-45deg);
  bottom: 0;
}

/* Contact Information Links */
.contact-link {
  transition: color 0.2s ease, text-decoration 0.2s ease;
}

.contact-link:hover {
  color: var(--color-primary) !important;
  text-decoration: underline !important;
}

/* Responsive Navigation */
@media (max-width: 768px) {
  .navbar-container {
    height: 80px;
    padding: var(--spacing-sm) 0;
  }
  
  .navbar-toggle {
    display: block;
  }
  
  .navbar-brand-text {
    display: none; /* Hide text on mobile, show only logo */
  }
  
  .navbar-logo {
    height: 128px;
  }
  
  .navbar-nav {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    width: 100vw;
    height: calc(100vh - 80px);
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    padding: var(--spacing-xl) var(--spacing-lg) var(--spacing-2xl) var(--spacing-lg);
    gap: var(--spacing-xl);
    box-shadow: 0 4px 32px rgba(0, 0, 0, 0.1);
    z-index: 999;
    overflow-y: auto;
  }
  
  .navbar-nav.active {
    display: flex !important;
  }
  
  .navbar-nav a {
    padding: var(--spacing-lg) var(--spacing-md);
    font-size: 1.8rem;
    font-weight: 500;
    text-align: left;
    color: var(--color-text);
    text-decoration: none;
    border: none;
    background: none;
    border-radius: 0;
    display: block;
    width: 100%;
    transition: color var(--transition-fast), padding-left var(--transition-fast);
    margin-bottom: var(--spacing-sm);
  }
  
  .navbar-nav a:hover {
    color: var(--color-primary);
    padding-left: var(--spacing-lg);
    background: none;
    border: none;
  }
  
  .navbar-nav a.active {
    color: var(--color-primary);
    background: none;
    border: none;
    font-weight: 600;
  }
  
  .navbar-nav a.active::after {
    display: none; /* Remove underline on mobile */
  }
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 75vh;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  color: var(--color-text);
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-bg-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity var(--transition-slow);
  border-radius: 0; 
}

.hero-bg-image.active {
  opacity: 1;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.3) 0%,
    rgba(255, 255, 255, 0.1) 100%
  );
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 75vh;
}

.hero-text {
  max-width: 600px;
  padding: 2rem;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 12px;
  box-shadow: 
    0 0 0 1px rgba(255, 255, 255),
    0 8px 32px rgba(255, 255, 255, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  position: relative;
}

/* Additional soft glow effect */
.hero-text::before {
  content: '';
  position: absolute;
  top: -10px;
  left: -10px;
  right: -10px;
  bottom: -10px;
  background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
  border-radius: 20px;
  z-index: -1;
  pointer-events: none;
}

.hero-title {
  font-family: var(--font-primary);
  font-size: 72px;
  margin-bottom: var(--spacing-lg);
  line-height: var(--leading-tight);
  color: var(--color-text);
  text-align: left;
}

.hero-subtitle {
  font-size: var(--text-xl);
  margin-bottom: var(--spacing-2xl);
  opacity: 0.9;
  color: var(--color-text-light);
  text-align: left;
  line-height: var(--leading-relaxed);
}

.hero-cta {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
  flex-wrap: wrap;
}

/* Hero Navigation */
.hero-nav {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.hero-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.hero-nav-list li a {
  color: var(--color-text);
  font-size: var(--text-lg);
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition-fast);
  position: relative;
}

.hero-nav-list li a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.hero-nav-list li a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-fast);
}

.hero-nav-list li a:hover::after {
  width: 100%;
}

/* Mobile-only hero nav */
.mobile-only {
  display: none;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .hero-content {
    flex-direction: column;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-md);
  }
  
  .hero-text {
    padding: 2rem;
    margin-bottom: var(--spacing-3xl);
  }
  
  .hero-title {
    font-size: var(--text-5xl);
    text-align: center;
  }
  
  .hero-subtitle {
    text-align: center;
  }
  
  .hero-cta {
    justify-content: center;
  }
  
  .desktop-only {
    display: none;
  }
  
  .mobile-only {
    display: block;
  }
  
  .hero-nav.mobile-only {
    position: absolute;
    bottom: var(--spacing-2xl);
    left: 50%;
    transform: translateX(-50%);
  }
  
  .hero-nav-list {
    flex-direction: row;
    gap: var(--spacing-xl);
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: var(--text-5xl);
  }
  
  .hero-subtitle {
    font-size: var(--text-lg);
  }
  
  .hero-cta {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .hero-nav-list {
    gap: var(--spacing-lg);
  }
  
  .hero-nav-list li a {
    font-size: var(--text-base);
  }
  
  /* Hide hero navigation on mobile for homepage */
  .hero-nav {
    display: none !important;
  }
}

/* Section Components */
.section {
  padding: var(--spacing-4xl) 0;
  background-color: var(--color-background);
  position: relative;
}

.section:not(:last-child)::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 1px;
  background-color: var(--color-gray-300);
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  color: #000;
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* Footer */
.site-footer {
  background-color: var(--color-gray-50);
  color: var(--color-text);
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.site-footer.footer--visible {
  opacity: 1;
  transform: translateY(0);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-section h3 {
  color: var(--color-text);
  margin-bottom: var(--spacing-lg);
  font-family: var(--font-primary);
}

.footer-section p {
  margin-bottom: var(--spacing-lg);
  line-height: var(--leading-relaxed);
}

.footer-contact {
  margin-top: var(--spacing-lg);
}

.contact-item {
  margin-bottom: var(--spacing-sm);
  font-size: var(--text-sm);
}

.contact-item strong {
  color: var(--color-text);
  margin-right: var(--spacing-xs);
}

.footer-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-section li {
  margin-bottom: var(--spacing-sm);
}

.footer-section a {
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition-fast);
  font-size: var(--text-sm);
}

.footer-section a:hover {
  color: var(--color-primary);
}

.social-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.social-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
  font-size: var(--text-sm);
}

.social-link:hover {
  background-color: var(--color-gray-100);
}

.social-icon {
  font-size: var(--text-lg);
}

.footer-bottom {
  border-top: 1px solid var(--color-gray-300);
  padding-top: var(--spacing-lg);
  text-align: center;
  color: var(--color-gray-600);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.back-to-top {
  background-color: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-full);
  width: 40px;
  height: 40px;
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  font-size: var(--text-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.back-to-top:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
}

.back-to-top:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Loading States */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-gray-300);
  border-radius: 50%;
  border-top-color: var(--color-primary);
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Utility Classes for Components */
.text-truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.overflow-hidden {
  overflow: hidden;
}

.overflow-auto {
  overflow: auto;
}

.overflow-scroll {
  overflow: scroll;
}

/* Instructor Card Components */
.instructor-card {
  background: white;
  border: none;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.instructor-card-body {
  padding: 2rem;
  text-align: center;
}

.instructor-profile-image {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 1.5rem;
  border: 3px solid #e5e7eb;
}

.instructor-profile-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center -35px;
}

.instructor-name {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: #1f2937;
}

.instructor-title {
  color: #1f2937;
  font-weight: 600;
  margin-bottom: 1rem;
}

.instructor-description {
  color: #6b7280;
  line-height: 1.6;
  margin-bottom: 1rem;
  text-align: left;
}

.instructor-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

.instructor-badge {
  background: #e5e7eb;
  color: #374151;
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.8rem;
}

/* Print Styles for Components */
@media print {
  .btn,
  .navbar-toggle,
  .hero-cta,
  .back-to-top {
    display: none !important;
  }
  
  .card {
    border: 1px solid #000 !important;
    box-shadow: none !important;
  }
  
  .hero {
    background: none !important;
    color: #000 !important;
  }
  
  .hero-background,
  .hero-overlay {
    display: none !important;
  }
  
  .site-footer {
    background: none !important;
    color: #000 !important;
  }
}